Tony Murray 200e670315 Fix defunct process issues: create Proc class (#4210)
* Proc class
Encapsulate processes in a class, when they go out of scope, we can use the __destruct() process to make sure the process terminates.

* Fix rrdtool_last checks failing

* Don't close rrdtool in rrd_graph
Try to start rrdtool process if they haven't been started yet
Remove some extra debug output

* phpdocs added
several cleanups
should still be functioning the same
Only open one  rrdtool process for graph.php
2016-08-26 07:50:29 +01:00
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